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Patent Searching and Data


Matches 301 - 350 out of 33,842

Document Document Title
WO/2020/052245A1
An improved zero ripple outputting converter and a control method therefor. The converter uses a four-magnetic cylinder transformer, an auxiliary winding (Na) being added on the magnetic cylinders; an auxiliary voltage circuit applies a ...  
WO/2020/052760A1
A voltage source converter (10) comprises a first converter arm (ua) connected between a junction (j) and a first DC terminal (DC1), a second converter arm (la) connected between the junction and a second DC terminal (DC2) and a string o...  
WO/2020/055669A1
A converter includes a switching stage including first and second primary transistors, a resonant stage connected to the switching stage, a transformer including a primary winding connected to the resonant stage, a rectifying stage conne...  
WO/2020/052851A1
The invention relates to a method for controlling the rotational speed or the torque of a motor for protecting a suppressor diode (13) in a control device of a vehicle, wherein the suppressor diode (13) converts recovered energy from the...  
WO/2020/054234A1
The purpose of the present invention is to provide an injector control device capable of preventing unintended fuel injection in a period other than an engine driving period. The injector control device is provided with an interruption m...  
WO/2019/224440A3
Method (1000) for supplying power to an on-board electrical network of a hybrid motor vehicle during a rolling phase carried out by an electric propulsion system of the vehicle, the vehicle comprising a heat engine, an alternator driven ...  
WO/2020/048077A1
Techniques are described for ripple detection and cancellation in switching voltage regulator circuits. For example, in a switching voltage converter, a voltage is up-converted or down-converted by switching high side and low side switch...  
WO/2020/048579A1
The present disclosure relates to a method performed by a control system of a power electronics converter. The method comprises providing a grid-side current controller for controlling power output from the converter to a power grid. A f...  
WO/2020/051172A1
In an example apparatus, a latch (108) includes a first node (128) coupled to a source of a first switch (110), and an output (130) coupled to a gate of the first switch (110). A first diode (218) is coupled to the first node (128) and a...  
WO/2020/049161A2
The invention relates to a method for suppressing interference signals in at least one supply line, especially in at least one supply line for high-voltage sources in a powertrain of an electric vehicle. The at least one supply line has ...  
WO/2020/047741A1
The prevent invention provides a frequency changer cabinet and a frequency changer. The frequency changer cabinet comprises: a transformer cabinet used to accommodate a transformer, wherein a first air outlet is disposed at the top of th...  
WO/2020/051138A1
A circuit for providing an adjustable output driver current for use in LiDAR or other similar GaN driver applications. The circuit creates an appropriate gate-to-source voltage, VGS, for a high-current GaN driver FET to obtain a desired,...  
WO/2020/049375A1
The invention relates to a voltage source converter (100) and energization thereof. The converter comprises a plurality of converter modules (102) connected in series between DC terminals of DC power system. Each converter module is furt...  
WO/2020/047583A1
A direct-current (DC) converter for a permanent-magnet (PM) alternator for a vehicle, the DC converter including one or more pairs of step-down converters that are electrically in parallel operating at a fundamental switching frequency, ...  
WO/2020/048001A1
A no-communication global modulation signal synchronization control method and system based on a phase-locked loop. Several grid-connected inverters have the same structure. A modulation signal synchronization control method for each gri...  
WO/2020/048688A1
The present invention relates to a control system for a motor vehicle, having a first control device and first power electronics (4) connected to the first control device in a signal-transmitting manner for supplying power to a first act...  
WO/2020/048966A1
The invention relates to a converter device (200, 800), comprising: a network connection for connecting at least one phase (a, b, c); a positive resonance group (C4, C5, C6); a negative resonance group (C7, C8, C9); a first positive diod...  
WO/2020/048850A1
The invention relates to a device for suppressing interfering signals for voltage sources, in particular for high-voltage voltage sources in a drive train of an electric vehicle, in particular for push-pull interference and/or common-mod...  
WO/2020/051557A1
The present disclosure provides a high-power-density power converter topology with a common neutral between its input and output AC ports while having a single DC bus. The topology may also be embodied as an online uninterruptible power ...  
WO/2020/044139A1
The invention provides a converter arrangement that couples an AC power system with a DC power system. The converter arrangement includes a converter, a filter and a control unit. The converter is capable of operating as an inverter and ...  
WO/2020/047200A1
Certain aspects of the present disclosure generally relate to methods and apparatus for switching between modes of a multi-mode power supply circuit. One example power supply circuit generally includes a switched-mode power supply (SMPS)...  
WO/2020/045759A1
According to one embodiment, a DC-DC converter for compensating for a ripple in a photovoltaic-linked energy storage system, and a control method therefor are disclosed. Particularly, a DC-DC converter for compensating for a ripple gener...  
WO/2020/043353A1
The invention relates to a power converter (11) comprising at least one power converter arrangement (12). The power converter arrangement (12) comprises an AC connection (13), at least one first transistor (14) and at least one second tr...  
WO/2020/043883A1
The invention relates to a method and to a device for operating a bidirectional voltage transformer (18) that can be connected to a primary battery (12). Said voltage transformer has a primary-side smoothing capacitor (16, C1DC), an indu...  
WO/2020/043273A1
The invention relates to an assembly comprising a module (200) of a modular multi-level converter (1), which has a first module connection (212), a second module connection 9(215), a first electronic switch element (202), a second electr...  
WO/2020/042429A1
A method for eliminating second harmonics of a direct current bus of a train. The method comprises an active filtering device connected to the direct current bus, and specifically comprises a buck/boost bidirectional DC/DC converter (DC-...  
WO/2020/043263A1
Multiphase multilevel power converter having a drive and a passive frequency filter, and method for driving the multiphase multilevel power converter. The invention relates to a multiphase multilevel power converter (MMC) having a phase ...  
WO/2019/096439A8
The present invention relates to a method for controlling a distortion spectrum that arises for a switch-based inverter (306), which modulates at least one output variable, by virtue of space vector modulation, characterized in that diff...  
WO/2020/046782A1
A drive-sense circuit includes a signal source circuit and a signal change detection circuit. The signal source circuit is operably coupled to a sensor. When enabled, the signal source circuit provides a signal to the sensor. When the se...  
WO/2020/047072A1
Methods, apparatus, systems and articles of manufacture are disclosed to transmit signals in isolated gate drivers. An example apparatus (300) includes a first encoder (374) including: an edge detector coupled to a first sensor (370); a ...  
WO/2020/046004A1
According to one embodiment, disclosed are a DC-DC converter for preventing the unnecessary consumption of a battery in a solar power-linked energy storage system, and a control method therefor. Particularly, a sensing switch is controll...  
WO/2020/044625A1
The purpose of the present invention relates to the reduction of both noise and a switching loss at the time of on/off switching of a voltage-driven wide-gap semiconductor element. To achieve this, the present invention is configured to ...  
WO/2020/044945A1
Drive circuits (DrH, DrL) comprise: a surge detector (44, 64) for detecting a surge voltage produced with the changing of the switching state of a switch (SWH, SWL); an adjustment unit (42, 62) for adjusting, on the basis of the surge vo...  
WO/2020/044454A1
According to the present invention, a self-powered circuit (7) comprises: a second electricity storage element (C2) which is electrically connected between terminals of a first electricity storage element (C1) of a main circuit (6); a po...  
WO/2020/046287A1
A drive system (300) includes a plurality of power cells (312) supplying power to one or more output phases (A, B, C), each power cell (312) having multiple switching devices (315a-d) incorporating semiconductor switches, 5 and a control...  
WO/2020/044946A1
This drive device is provided with a control unit (60) for generating and transmitting a drive signal for a switch (SCH, SCL, SWH, SWL), and a drive circuit (DrH, DrL) for receiving the transmitted drive signal. The control unit generate...  
WO/2020/038870A1
In the field of high voltage direct current (HVDC) transmission, a voltage source converter (10) comprises first and second DC terminals (12, 14) that are for connection to a DC network (16). The voltage source converter (10) also includ...  
WO/2020/038275A1
A bipolar bidirectional direct current (DC) converter, and a control method and a control device therefor. The bipolar bidirectional DC converter comprises at least two valve group strings (101, 102) and at least six magnetic elements (1...  
WO/2020/038704A1
A switching valve, for connection between first and second terminals (24, 26, 34) of a converter (20), comprises: a switching module (44) including at least one module switching element (46) and at least one energy storage device (48), t...  
WO/2020/041602A1
An illustrative embodiment described herein is a stacked direct current to direct current (DC-DC) converter including a first DC bus coupled to a first one of a power source and a power load and a second DC bus coupled to a second one of...  
WO/2020/041108A1
An integrated circuit (100). The integrated circuit (100) comprises a timebase generator (102) and a switch mode direct current-to-direct current (DC-to-DC) converter (104) coupled to the timebase generator (102). The timebase generator ...  
WO/2020/041355A1
A voltage regulator utilizes a non-invasive sensing capacitor in differentially sensing a current indicative of current of an output capacitor of the voltage regulator. Some embodiments utilize current mirrors and an inverter for determi...  
WO/2020/035296A1
In an AC/DC conversion arrangement, it is proposed that an input of an AC circuit breaker (1), which is formed as a hybrid circuit breaker (2) or as a semiconductor circuit breaker, forms an AC input (8) of the arrangement, wherein an ou...  
WO/2020/035381A1
A frequency converter (1), comprising: - at least one bridge branch (2), wherein a shunt resistor (3) is arranged in the bridge branch (2), - an analysis device (4) having an input connection (4a, 4b), the analysis device being designed ...  
WO/2020/034664A1
Disclosed by the present invention is a multilevel step-down circuit, comprising an input unit circuit, a drive unit circuit, and an output unit circuit; the input unit circuit comprises a transformer T1, n capacitors, n N-MOS transistor...  
WO/2020/037291A1
A bidirectional composite converter is provided. The bidirectional composite converter can be used with power electronics, such as but not limited to electric vehicles and other applications. In some implementations, for example, the com...  
WO/2020/035426A1
The invention relates to photovoltaic inverter (2) with a DC input (3) for connection to a DC source (4), a DC-DC transformer (9), a DC bus (10), a DC-AC converter (11), an AC isolator (8), a control device (13), an AC connection (5) for...  
WO/2020/035527A1
Electrical converter (10) for converting a three-phase AC input into a DC output, comprising three phase input terminals (a, b, c) and two output terminals (p, n), a three phase bridge rectifier (11) having an input connected to the phas...  
WO/2020/035712A1
This switching circuit is provided with: a semiconductor switching element (10) that has a control electrode (13) into which a drive signal for controlling the conduction state is input; and a drive circuit (20) that comprises a high pot...  
WO/2020/030409A1
The invention relates to a voltage converter (1), which is designed as a step-down converter, for reducing an input direct voltage (Ue) to an output direct voltage (Ua) lower than the input direct voltage (Ue), comprising: a first step-d...  

Matches 301 - 350 out of 33,842